{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "cell line", "RNA", "cell type", "protein"], "input": "N-acetyl-L-cysteine ( NAC ), a well characterized antioxidant which counteracts the effects of reactive oxygen intermediates ( ROI ) in living cells, prevented the activation of NF-kappa B by H2O2 ."}
{"DNA": [], "cell line": [], "RNA": [], "cell type": [], "protein": ["NF-kappa B"]}